.clearfix {
    &:after {
        display: block;
        content: '';
        clear: both;
    }
}
* {
    box-sizing: border-box;
}
html,body {
            background: #f5f5f5;
            position: relative;
            width: 100%;
            height: 100%;
}
header {
    width: 100%;
    height: 3.7rem;
    background: #ffac2c;
    font-size: 1.5rem;
    text-align: center;
    line-height: 3.7rem;
    color: #fff;
    img {
        position: absolute;
        width: 0.75rem;
        height: 1.5rem;
        left: 1.2em;
        top: 1rem;
    }
}
.content {
    width: 100%;
    .inpassword {
        width: 100%;
        height: 3.7rem;
        line-height: 3.7rem;
        font-size: 1.2rem;
        color: #878787;
        padding-left: 1.5rem;
    }
    .inp {
        width: 100%;
        height: 4rem;
        background: #fff;
        border: 1px solid #e9e9e9;
        padding-left: 1.5rem;
        line-height: 4rem;
        position: relative;
        img:first-child {
            position: absolute;
            top: 1.2rem;
        }
        input {
            height: 100%;
            font-size: 1.1rem;
            position: absolute;
            left: 4rem;
        }
        ::-webkit-input-placeholder {
            color: #dcdcdc;
            
        }
    }
    .sure {
        width: 30rem;
        height: 3rem;
        margin: 0 auto;
        height: 3.1rm;
        margin-top: 1.7rem;
        margin-left: 1rem;
        font-size: 1.2rem;
        background: #fed555;
        border-radius: 0.5rem;
        color: #fff;
    }
    
}
.alt {
        width: 20.5rem;
        height: 8.25rem;
        border-radius: 0.5rem;
        background: #fff;
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
        margin: auto;
        text-align: center;
        line-height: 8.25rem;
        font-size: 1.5rem;
        display: none;
        z-index: 222;
    }
